National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Light Snow

14°F

-10°C

Humidity 97%
Wind Speed SE 9 mph
Barometer 30.27 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill2°F (-17°C)
Last update 7 Dec 12:15 pm CST
Extended Forecast for

Gann Valley SD

  • This Afternoon

    This Afternoon: Snow likely, mainly before 3pm. Cloudy, with a high near 16. Southeast wind 11 to 13 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.

    High: 16 °F

    Snow Likely

  • Tonight

    Tonight: Mostly cloudy, with a steady temperature around 14. Southeast wind 6 to 11 mph becoming light south after midnight.

    Low: 14 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 36. Light and variable wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 21 mph.

    High: 36 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 24. West wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow before 9am, then a chance of rain. Mostly cloudy, with a high near 44. Breezy, with a south southwest wind 6 to 11 mph becoming west 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 30%.

    High: 44 °F

    Slight Chance
    Rain/Snow
    then Chance
    Rain and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 17. Blustery, with a northwest wind 14 to 22 mph, with gusts as high as 36 mph.

    Low: 17 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 26. Northwest wind 10 to 13 mph becoming east in the afternoon. Winds could gust as high as 21 mph.

    High: 26 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of snow. Cloudy, with a low around 9. East wind around 10 mph becoming north northeast after midnight. Chance of precipitation is 40%.

    Low: 9 °F

    Chance Snow

  • Thursday

    Thursday: A chance of snow. Mostly cloudy, with a high near 17. North northwest wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    High: 17 °F

    Chance Snow

Detailed Forecast

This Afternoon
Snow likely, mainly before 3pm. Cloudy, with a high near 16. Southeast wind 11 to 13 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Mostly cloudy, with a steady temperature around 14. Southeast wind 6 to 11 mph becoming light south after midnight.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 36. Light and variable wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 24. West wind 6 to 11 mph, with gusts as high as 20 mph.
Tuesday
A slight chance of snow before 9am, then a chance of rain. Mostly cloudy, with a high near 44. Breezy, with a south southwest wind 6 to 11 mph becoming west 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 17. Blustery, with a northwest wind 14 to 22 mph, with gusts as high as 36 mph.
Wednesday
Mostly cloudy, with a high near 26. Northwest wind 10 to 13 mph becoming east in the afternoon. Winds could gust as high as 21 mph.
Wednesday Night
A chance of snow. Cloudy, with a low around 9. East wind around 10 mph becoming north northeast after midnight. Chance of precipitation is 40%.
Thursday
A chance of snow. Mostly cloudy, with a high near 17. North northwest wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around -5.
Friday
Partly sunny and cold, with a high near 6.
Friday Night
Mostly cloudy, with a low around -8.
Saturday
Mostly cloudy and cold, with a high near 9.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gann Valley SD
 44.04°N 98.98°W (Elev. 1709 ft)
Last Update:
11:56 am CST Dec 7, 2025
Forecast Valid:
12pm CST Dec 7, 2025-6pm CST Dec 13, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation